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Population in Tonga compared to Zambia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Tonga was 103,742 in 2025 vs 21,913,874 people in Zambia in 2025. In 2026, based on the adjusted UN estimation, the current Tonga's population is 103,283 people compared to 22,844,606 in Zambia.

Population statistics:

  • Zambia's population is 221.2 times bigger than Tonga's.
  • Tonga is ranked the 183rd most populous country in the world, while Zambia is the 62nd.
  • The countries together account for 0.28% of the world: 0.001% for Tonga vs 0.27% for Zambia.
  • For the last 10 years, Tonga has had an average growth rate of -0.25% per year vs +2.96% in Zambia.
  • Since 2006, the population of Tonga has decreased from 106K people to 103K (2.8% decline), while Zambia has grown from 12.1M to 22.8M (88.3% growth).

Tonga vs Zambia: population by year and forecast

Tonga
Factual

Projection
Zambia
Factual

Projection
1x
Year Population
Tonga Zambia
2100 117,617 65,204,593
2099 117,585 64,858,778
2098 117,530 64,503,193
2097 117,492 64,136,110
2096 117,461 63,764,760
2095 117,383 63,380,692
2094 117,290 62,980,254
2093 117,207 62,578,008
2092 117,097 62,163,693
2091 116,983 61,738,437
2090 116,838 61,309,330
2089 116,682 60,868,166
2088 116,481 60,422,781
2087 116,277 59,958,303
2086 116,088 59,487,524
2085 115,872 59,011,423
2084 115,628 58,524,337
2083 115,336 58,029,088
2082 115,041 57,527,347
2081 114,752 57,016,267
2080 114,424 56,495,299
2079 114,074 55,972,223
2078 113,710 55,438,864
2077 113,349 54,895,964
2076 112,945 54,350,375
2075 112,565 53,796,265
2074 112,179 53,236,297
2073 111,790 52,666,980
2072 111,377 52,090,884
2071 110,963 51,509,551
2070 110,576 50,921,590
2069 110,209 50,324,793
2068 109,825 49,727,689
2067 109,446 49,125,817
2066 109,062 48,520,891
2065 108,736 47,909,160
2064 108,377 47,290,430
2063 108,033 46,668,252
2062 107,710 46,039,755
2061 107,396 45,407,718
2060 107,117 44,768,534
2059 106,842 44,128,619
2058 106,589 43,485,891
2057 106,345 42,843,489
2056 106,130 42,198,591
2055 105,915 41,550,105
2054 105,698 40,898,440
2053 105,486 40,247,706
2052 105,286 39,596,094
2051 105,079 38,942,292
2050 104,844 38,287,070
2049 104,636 37,626,787
2048 104,387 36,964,032
2047 104,154 36,302,603
2046 103,852 35,638,852
2045 103,548 34,974,927
2044 103,215 34,310,227
2043 102,934 33,645,797
2042 102,692 32,984,164
2041 102,447 32,323,084
2040 102,228 31,658,029
2039 102,061 30,995,204
2038 101,835 30,329,691
2037 101,707 29,662,721
2036 101,627 28,994,556
2035 101,580 28,327,922
2034 101,571 27,665,749
2033 101,591 27,006,658
2032 101,633 26,351,393
2031 101,764 25,697,754
2030 101,928 25,050,285
2029 102,181 24,409,600
2028 102,494 23,776,128
2027 102,841 23,146,922
2026 103,283 22,525,308
2025 103,742 21,913,874
2024 104,175 21,314,956
2023 104,597 20,723,965
2022 105,042 20,152,938
2021 105,490 19,603,607
2020 105,704 19,059,395
2019 105,669 18,513,839
2018 105,567 17,973,569
2017 105,356 17,441,320
2016 105,524 16,914,423
2015 106,095 16,399,089
2014 106,609 15,895,315
2013 107,078 15,398,997
2012 107,460 14,913,629
2011 107,570 14,437,796
2010 107,400 13,965,594
2009 107,203 13,490,389
2008 107,020 13,021,324
2007 106,726 12,565,085
2006 106,253 12,129,553
2005 105,671 11,718,819
2004 105,071 11,338,198
2003 104,464 10,983,595
2002 103,874 10,647,949
2001 103,288 10,325,185
2000 102,677 10,017,631
1999 102,046 9,740,005
1998 101,388 9,482,408
1997 100,674 9,237,063
1996 100,275 9,004,053
1995 100,225 8,785,763
1994 100,166 8,576,269
1993 100,103 8,373,921
1992 100,022 8,176,680
1991 99,895 7,981,650
1990 99,700 7,786,169
1989 99,403 7,589,216
1988 98,969 7,391,440
1987 98,376 7,191,282
1986 98,010 6,986,471
1985 97,984 6,780,953
1984 97,990 6,580,490
1983 97,998 6,381,038
1982 97,980 6,178,637
1981 97,909 5,983,289
1980 97,769 5,802,833
1979 97,544 5,631,728
1978 97,204 5,465,374
1977 96,725 5,302,480
1976 95,325 5,143,842
1975 93,017 4,990,086
1974 90,683 4,842,746
1973 88,805 4,702,693
1972 87,356 4,569,309
1971 85,896 4,442,525
1970 84,401 4,321,718
1969 82,885 4,197,116
1968 81,353 4,065,593
1967 79,814 3,936,343
1966 78,002 3,812,003
1965 75,924 3,692,086
1964 73,879 3,577,017
1963 71,885 3,465,907
1962 69,940 3,358,099
1961 68,037 3,254,086
1960 66,170 3,153,729

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/tonga/zambia | CC BY

From 2006 to 2016, the population of Tonga decreased by 729 people (a 0.69% decline), while Zambia gained 4,784,870 people (a 39.4% growth).

For the next 10 years, from 2016 to 2026, Tonga lost 2,241 people (a 2.12% decline), while Zambia's population increased by 5,930,183 people (a 35.1% growth).

Tonga was ranked 182nd most populous country in 2006 and is 183rd in 2026. Zambia was ranked 71st in 2006 and ranked 62nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Tonga's population will grow by 1.51% to 104,844 people and will still be ranked 183rd. The population of Zambia will increase by 67.6% to 38,287,070 people and rank change from 62nd to 54th.

Tonga is projected to reach its peak in 2100 at 118K people compared to the peak of 65.2M people in 2100 for Zambia.

Population growth rate by year

Tonga
Factual

Projection
Zambia
Factual

Projection
1x
Year Growth rate
Tonga Zambia
2100 0.03% 0.53%
2099 0.05% 0.55%
2098 0.03% 0.57%
2097 0.03% 0.58%
2096 0.07% 0.61%
2095 0.08% 0.64%
2094 0.07% 0.64%
2093 0.09% 0.67%
2092 0.1% 0.69%
2091 0.12% 0.7%
2090 0.13% 0.72%
2089 0.17% 0.74%
2088 0.18% 0.77%
2087 0.16% 0.79%
2086 0.19% 0.81%
2085 0.21% 0.83%
2084 0.25% 0.85%
2083 0.26% 0.87%
2082 0.25% 0.9%
2081 0.29% 0.92%
2080 0.31% 0.93%
2079 0.32% 0.96%
2078 0.32% 0.99%
2077 0.36% 1%
2076 0.34% 1.03%
2075 0.34% 1.05%
2074 0.35% 1.08%
2073 0.37% 1.11%
2072 0.37% 1.13%
2071 0.35% 1.15%
2070 0.33% 1.19%
2069 0.35% 1.2%
2068 0.35% 1.23%
2067 0.35% 1.25%
2066 0.3% 1.28%
2065 0.33% 1.31%
2064 0.32% 1.33%
2063 0.3% 1.37%
2062 0.29% 1.39%
2061 0.26% 1.43%
2060 0.26% 1.45%
2059 0.24% 1.48%
2058 0.23% 1.5%
2057 0.2% 1.53%
2056 0.2% 1.56%
2055 0.2% 1.59%
2054 0.2% 1.62%
2053 0.19% 1.65%
2052 0.2% 1.68%
2051 0.22% 1.71%
2050 0.2% 1.75%
2049 0.24% 1.79%
2048 0.22% 1.82%
2047 0.29% 1.86%
2046 0.29% 1.9%
2045 0.32% 1.94%
2044 0.27% 1.97%
2043 0.24% 2.01%
2042 0.24% 2.05%
2041 0.21% 2.1%
2040 0.16% 2.14%
2039 0.22% 2.19%
2038 0.13% 2.25%
2037 0.08% 2.3%
2036 0.05% 2.35%
2035 0.009% 2.39%
2034 -0.02% 2.44%
2033 -0.04% 2.49%
2032 -0.13% 2.54%
2031 -0.16% 2.58%
2030 -0.25% 2.62%
2029 -0.31% 2.66%
2028 -0.34% 2.72%
2027 -0.43% 2.76%
2026 -0.44% 2.79%
2025 -0.42% 2.81%
2024 -0.4% 2.85%
2023 -0.42% 2.83%
2022 -0.42% 2.8%
2021 -0.2% 2.86%
2020 0.03% 2.95%
2019 0.1% 3.01%
2018 0.2% 3.05%
2017 -0.16% 3.12%
2016 -0.54% 3.14%
2015 -0.48% 3.17%
2014 -0.44% 3.22%
2013 -0.36% 3.25%
2012 -0.1% 3.3%
2011 0.16% 3.38%
2010 0.18% 3.52%
2009 0.17% 3.6%
2008 0.28% 3.63%
2007 0.45% 3.59%
2006 0.55% 3.5%
2005 0.57% 3.36%
2004 0.58% 3.23%
2003 0.57% 3.15%
2002 0.57% 3.13%
2001 0.6% 3.07%
2000 0.62% 2.85%
1999 0.65% 2.72%
1998 0.71% 2.66%
1997 0.4% 2.59%
1996 0.05% 2.48%
1995 0.06% 2.44%
1994 0.06% 2.42%
1993 0.08% 2.41%
1992 0.13% 2.44%
1991 0.2% 2.51%
1990 0.3% 2.6%
1989 0.44% 2.68%
1988 0.6% 2.78%
1987 0.37% 2.93%
1986 0.03% 3.03%
1985 -0.006% 3.05%
1984 -0.008% 3.13%
1983 0.02% 3.28%
1982 0.07% 3.26%
1981 0.14% 3.11%
1980 0.23% 3.04%
1979 0.35% 3.04%
1978 0.5% 3.07%
1977 1.47% 3.08%
1976 2.48% 3.08%
1975 2.57% 3.04%
1974 2.11% 2.98%
1973 1.66% 2.92%
1972 1.7% 2.85%
1971 1.77% 2.8%
1970 1.83% 2.97%
1969 1.88% 3.24%
1968 1.93% 3.28%
1967 2.32% 3.26%
1966 2.74% 3.25%
1965 2.77% 3.22%
1964 2.77% 3.21%
1963 2.78% 3.21%
1962 2.8% 3.2%
1961 2.82% 3.18%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/tonga/zambia | CC BY

In 2025, the population of Tonga declined by 0.42%, while Zambia's population grew by 2.81%.

Live population counters

Tonga Zambia
Current population
103283
22844606
Population rank 183/197 62/197
Percent of world population 0.001% 0.27%
One net population change
20.3 hours
52.8 seconds
One birth every
3.65 hours
45.2 seconds
One death every
13.1 hours
4.77 minutes
Daily growth/decline -1 +1,641
Annual growth/decline -433 +598,918
Annual growth/decline rate -0.42% +2.81%
Population growth rate rank 181/197 19/197
One migration net change every
4.09 hours
1.34 hours
Annual migration change -2,150 +6,562
Net migration rank 99/196 47/196
Foreign-born residents 3,581 249,205
Foreign-born residents rank 187/195 105/195
Foreign-born share of population 3.4% 1.2%
Foreign-born share rank 113/195 150/195

Natural population change vs migration

Tonga
Natural

Migration
Zambia
Natural

Migration
1x
Year Population change
Tonga Zambia
Natural Migration Natural Migration
2025 - -2,150 - 6,562
2024 1,729 -2,149 587,419 7,381
2023 1,744 -2,173 577,660 9,521
2022 1,772 -2,218 563,456 -8,566
2021 1,773 -2,220 535,629 8,143
2020 1,816 -1,807 536,484 8,156
2019 1,841 -1,778 528,089 18,385
2018 1,873 -1,723 515,644 18,431
2017 1,912 -1,642 504,630 25,789
2016 1,989 -2,591 497,521 25,860
2015 2,064 -2,610 491,021 16,261
2014 2,135 -2,622 483,663 16,574
2013 2,199 -2,637 476,846 15,542
2012 2,255 -2,578 469,406 8,958
2011 2,298 -2,198 459,743 13,569
2010 2,332 -2,097 448,337 22,761
2009 2,358 -2,204 434,458 44,867
2008 2,397 -2,177 419,560 39,249
2007 2,423 -2,057 403,729 49,945
2006 2,459 -1,875 387,891 29,517
2005 2,495 -1,906 368,756 35,316
2004 2,478 -1,876 349,352 7,819
2003 2,448 -1,844 331,189 20,845
2002 2,396 -1,815 316,041 3,206
2001 2,358 -1,766 302,682 23,582
2000 2,346 -1,721 293,186 -4,338
1999 2,352 -1,710 283,297 -16,888
1998 2,344 -1,665 275,568 -26,796
1997 2,332 -1,589 268,198 -26,276
1996 2,393 -2,338 262,468 -38,358
1995 2,476 -2,422 257,897 -45,423
1994 2,547 -2,484 252,023 -45,504
1993 2,594 -2,532 245,917 -47,739
1992 2,622 -2,524 239,953 -43,656
1991 2,637 -2,484 237,957 -44,203
1990 2,641 -2,409 235,835 -38,619
1989 2,644 -2,280 233,429 -36,736
1988 2,649 -2,138 230,118 -31,270
1987 2,646 -1,970 227,813 -26,338
1986 2,704 -2,650 224,768 -16,610
1985 2,762 -2,775 221,351 -18,474
1984 2,814 -2,823 216,695 -18,652
1983 2,840 -2,840 212,712 -11,849
1982 2,853 -2,814 207,621 -3,676
1981 2,882 -2,778 202,822 -16,072
1980 2,885 -2,708 198,817 -24,664
1979 2,884 -2,604 197,578 -29,515
1978 2,862 -2,457 194,933 -30,284
1977 2,822 -2,273 191,557 -30,423
1976 2,769 -523 186,762 -30,612
1975 2,709 -346 182,258 -30,886
1974 2,650 -344 174,484 -31,178
1973 2,617 -1,168 168,258 -31,472
1972 2,605 -1,153 161,648 -31,672
1971 2,611 -1,138 155,249 -31,651
1970 2,628 -1,122 149,380 -31,370
1969 2,632 -1,101 142,660 -11,469
1968 2,614 -1,078 137,315 -5,447
1967 2,603 -1,060 131,938 -5,298
1966 2,550 -465 127,164 -5,129
1965 2,498 -426 122,814 -5,023
1964 2,445 -428 117,197 -4,851
1963 2,394 -426 114,555 -4,676
1962 2,343 -420 110,173 -4,428
1961 2,284 -401 106,318 -4,043
1960 2,230 -384 102,335 -3,898

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/tonga/zambia | CC BY

Over the last 10 years, 47% of the population change in Tonga is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people). In Zambia 97.6% is from natural causes (a gain of 5,337,553 people) and 2.37% is from migration (a gain of 129,361 people).

As of 2024, 3,581 residents or 3.4% of the population were not native-born in Tonga, compared to 249,205 people or 1.2% in Zambia.

Biggest cities by population

Tonga
City Population
Nukualofa 23.2K
Mua 5K
Zambia
City Population
Lusaka 2.47M
Kitwe 625K
Ndola 528K
Chingola 255K
Mufulira 182K
Livingstone 177K
Kasama 158K
Kapiri Mposhi 65.2K
Choma 51.8K
Mansa 45.4K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/tonga/zambia | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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